SE0103241D0 - Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam - Google Patents

Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam

Info

Publication number
SE0103241D0
SE0103241D0 SE0103241A SE0103241A SE0103241D0 SE 0103241 D0 SE0103241 D0 SE 0103241D0 SE 0103241 A SE0103241 A SE 0103241A SE 0103241 A SE0103241 A SE 0103241A SE 0103241 D0 SE0103241 D0 SE 0103241D0
Authority
SE
Sweden
Prior art keywords
steam
sodium
sodium carbonate
substantially pure
recovery
Prior art date
Application number
SE0103241A
Other languages
English (en)
Inventor
Lennart Delin
Original Assignee
Skogsind Tekn Foskningsinst
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Skogsind Tekn Foskningsinst filed Critical Skogsind Tekn Foskningsinst
Priority to SE0103241A priority Critical patent/SE0103241D0/sv
Publication of SE0103241D0 publication Critical patent/SE0103241D0/sv
Priority to PCT/SE2002/001556 priority patent/WO2003027384A1/en
Priority to US10/487,071 priority patent/US20040194900A1/en
Priority to SE0400395A priority patent/SE526435C2/sv

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/12—Combustion of pulp liquors
    • D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye

Landscapes

  • Paper (AREA)
SE0103241A 2001-09-28 2001-09-28 Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam SE0103241D0 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE0103241A SE0103241D0 (sv) 2001-09-28 2001-09-28 Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam
PCT/SE2002/001556 WO2003027384A1 (en) 2001-09-28 2002-09-02 Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam
US10/487,071 US20040194900A1 (en) 2001-09-28 2002-09-02 Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam
SE0400395A SE526435C2 (sv) 2001-09-28 2004-02-20 Metod för återvinnande av massakemikalier i ett alkaliskt sulfitmassaförfarande och för framställning av ånga

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0103241A SE0103241D0 (sv) 2001-09-28 2001-09-28 Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam

Publications (1)

Publication Number Publication Date
SE0103241D0 true SE0103241D0 (sv) 2001-09-28

Family

ID=20285486

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0103241A SE0103241D0 (sv) 2001-09-28 2001-09-28 Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam

Country Status (3)

Country Link
US (1) US20040194900A1 (sv)
SE (1) SE0103241D0 (sv)
WO (1) WO2003027384A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100371527C (zh) * 2005-03-09 2008-02-27 宁夏紫金花纸业有限公司 以沙柳为原料制浆抄造生活用纸的方法
DE102007036380A1 (de) * 2007-07-31 2009-02-05 Voith Patent Gmbh Verfahren und Anlage zur Aufbereitung der Ablauge eines Sulfitverfahrens
ES2703390T3 (es) * 2009-03-09 2019-03-08 Treetotextile Ab Procedimiento de fabricación de celulosa conformada combinado con un sistema de recuperación de fábrica de pasta

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE175928C1 (sv) * 1961-01-01
CA868884A (en) * 1968-08-21 1971-04-20 Pulp And Paper Research Institute Of Canada Method for the production of activated carbon
US3676064A (en) * 1970-04-16 1972-07-11 Owens Illinois Inc Methods for the treatment of spent sulfite pulping liquors and the recovery of chemical pulping values therefrom
US3954552A (en) * 1974-08-05 1976-05-04 Erco Envirotech Ltd. Removal of sodium chloride from pulp mill systems
US4148684A (en) * 1976-11-08 1979-04-10 Mei Systems Inc. Methods for recovery and recycling of chemicals from sodium sulfite and sodium bisulfite pulping operations
US5302246A (en) * 1992-07-30 1994-04-12 Kamyr, Inc. Method of managing liquid steams in a pulp mill
SE503455C2 (sv) * 1993-09-27 1996-06-17 Kvaerner Pulping Tech Beredning av sulfitinnehållande kokvätska och användning av kokvätskan för förimpregnering

Also Published As

Publication number Publication date
US20040194900A1 (en) 2004-10-07
WO2003027384A1 (en) 2003-04-03

Similar Documents

Publication Publication Date Title
FI74499C (sv) Kemikalieåtervinning ur massaavlutar.
DE3664939D1 (en) Process for chemicals and energy recovery
AU677827B2 (en) A method of separating sulphur compounds
NZ238220A (en) Separation of sulphur and sodium compounds from gas produced by incineration of kraft pulp waste liquor involving an alkaline washing step in a venturi throat and/or liquid trap
US6030493A (en) Process for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers
CA2123987C (en) A method of preparing digesting liquor
SE0103241D0 (sv) Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam
FI113043B (sv) Förfarande för blekning av cellulosa med väteperoxid
CA2160008C (en) Process for converting sodium sulphate
EP1524241B1 (en) A method for producing sodium dithionite to be used in the bleaching of mechanical pulp
JPH06341082A (ja) 硫酸ナトリウム及び／又は炭酸ナトリウム含有物質の処理方法
US4334956A (en) Method of reutilizing kraft spent liquor
WO1996014468A1 (en) Selective recovery of chemicals from cellulose spent liquor by liquor gasifying
NZ214981A (en) Recovery of spent sulphate liquors; increased capacity process
KR850001409B1 (ko) 요소(urea) 알칼리 증해액에 의한 화학펄프 제조법
FI110792B (sv) Förfarande för framställning av vitlut
FI67243C (fi) Koknings- och blekningsfoerfarande foer cellulosa
FI933335A (sv) Förfarande för reglering av svavel-natrium- förhållandet i en sodapanna
SU621818A1 (ru) Способ получени варочного шелока
Hendrickson et al. Black liquor oxidation as a method for reducing air pollution from sulfate pulping
SE0400395L (sv) Metod för återvinnande av massakemikalier i ett alkaliskt sulfitmassaförfarande och för framställning av ånga
GB1433307A (en) Integrated kraft pulping process
SE9202781L (sv) Foerfarande foer behandling av en cellulosafabriks kraftiga luktgaser
GB915734A (en) Improved method for the recovery of chemicals out of waste lyes from the manufactureof cellulose
DE69419024D1 (de) Herstellung einer sulfit-enthaltenden kochlauge